Exact Evaluation of Natural Frequency and Damping Ratio from a Frequency Response Curve

[+] Author and Article Information
M. V. Drexel, J. H. Ginsberg

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

J. Vib. Acoust 123(3), 403-405 (Dec 01, 2000) (3 pages) doi:10.1115/1.1376122 History: Received March 01, 2000; Revised December 01, 2000
Copyright © 2001 by ASME
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de Silva, C. W., 1999, Vibration: Fundamental and Practices, CRC Press, Boca Raton, FL.
Ewins, D. J., 1984, Modal Testing: Theory and Practice, Research Studies Press, Wiley and Sons, NY.
Kennedy,  C. C., and Pancu,  C. D. P., 1947, “Use of Vectors in Vibration Measurement and Analysis,” J. Aeronaut. Sci., 14, No. 11, pp. 603–625.
Ginsberg, J. H., 2001, Mechanical and Structural Vibrations, Wiley and Sons, New York, NY.


Grahic Jump Location
Magnitude of the modified complex displacement for ζ=0.1, 0.3, 0.6, 0.9



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